1Hz-50MHz Auto Range Conversion Frequency Counter Tester Digital LED Meter DIY

Features:
This is a PIC microcontroller based on the frequency meter, with a crystal measurement function and programmable addition and subtraction frequency settings, five digital display, easy and intuitive, all use of in-line components, the circuit is simple and easy to produce.
Can measure the oscillation frequency of most commonly used crystal;
Five precision resolution (eg 0.0050 kHz, 4.5765 MHz, 11.059 MHz);
Automatic range conversion, without human switching;
Programmable addition and subtraction frequency settings for the measurement of radio transceivers and other equipment;
You can select the power saving mode, if the frequency is not obvious changes within 15 seconds automatically turn off the display;
You can use the universal USB 5V interface power supply, can also use an external DC power supply or 9V battery.
The number of components is small, all straight-line components, installation and commissioning PCB
Colors: red
Frequency Range: 1Hz-50MHz
Crystal Test Range: about 4MHz-48MHz
Weight: about 40g

Package includes:
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